5.26 Left Ventricular Hypertrophy Prevalence by Different Left Ventricular Mass Indexes
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Heart 5.26 Left Ventricular Hypertrophy Prevalence by Different Left Ventricular Mass Indexes D. Degli Esposti (1), A. Dormi (1), S. Bacchelli (1), E.R. Cosentino (1), F. Santi (1), M. Rosticci (1), E.R. Rinaldi (1), M. Pombeni (1), E. Tartagni (1), V. Immordino (1), M.G. Prandin (1), L. Laghi (1), C. Borghi (1) ` di Bologna, Bologna, Italy (1)Ospedale Sant’Orsola – Malpighi, Universita Introduction. Left ventricular mass (LVM) indexed to body surface area (BSA) can have not enough sensitivity to diagnose left ventricular hypertrophy (LVH) in obese subjects, in whom LVM indexed to height at 2.7 power (h2.7), on the contrary, showed a better sensitivity. Aim. to assess the different LVH prevalence according to the two different LVM indexes, by body mass index (BMI) in a population of an hypertension centre echolab. Methods. In a two year period (2005-2007) we evaluated 1608 consecutive subjects submitted to echocardiography (761 M, 847 F, mean age 63.29 years, range 11-93), assessing in particular BSA indexed LVM (BSALVM) and h2.7 indexed LVM (HLVM). Study population was divided in two groups, according to BMI greater or lesser than 27.8 Kg/m2 in men and 27.3 Kg/m2 in women (above these values were reported significant differences between the two index means in identifying LVH). Results. 604 subjects had BMI > chosen indexes, and 1004 subjects < to those indexes. When higher BMI is considered, BSALVM identified 248 subjects (41.1%) with LVH (LVM > 125 g/m2 in men, and > 110 g/m2 in women), while HLVM (LVH = LVM > 49.2 g/h2.7 in men, and > 46.7 g/m2.7 in women) in 411 subjects (68%) (p
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